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Term

Backlink

A backlink is a link from an external domain pointing to your own website — one of the oldest and still most important ranking signals for Google.

Backlinks act as a trust signal for Google: when other sites voluntarily reference a piece of content, search engines read this as a hint of relevance and quality. Not every link counts equally. Decisive factors are the linking site’s domain authority, topical relevance, position in the source code, the anchor text and the link attribute (rel="nofollow", rel="ugc", rel="sponsored" largely neutralise the ranking effect).

With the E-E-A-T updates and the Helpful Content System, the focus has shifted from sheer link volume to link quality. A few strong, editorially placed backlinks from industry publications are now worth more than hundreds of weak directory links.

Example / practical context

If an industry magazine like t3n mentions an SEO agency in an editorial article and sets a dofollow link to their case-study page, that’s a textbook high-quality backlink: topically relevant, editorial context, established domain.

Distinction from similar terms

An internal link points to another page on the same domain — backlinks are exclusively external. A mention without a link (e.g. just the brand name in body text) isn’t a backlink, but can still matter for brand signals.

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